Insulating sleeves manufactured of high density polyethylene,
NEMA grade LE phenolic, and Mylar are available in a full
range of sizes. Also available are one - piece integral
sleeves and washers which are made of Minlon, providing
superior compression strength.lntegral sleeves are available
in sizes through 1-1/2". A variety of high temperature
sleeves are also stock items. With each insulating washer a
1/8" thick S.A.E. electro plated steel washer is provided to
protect the insulating washer from damage by the nut. flange
insulation sets are available in single or double washer kits.